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Question
Explain what an index number is and how it is computed. What level of measurement is required to compute index numbers?Answer
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The researcher's hypothesis is generally stated in the form of a null hypothesis.
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When the data are interval or ratio scaled and the sample size is large, _____ statistical procedures are appropriate.
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Which of the following tests is conceptually similar to the one used when the mean is the characteristic of interest but that differs in the mathematical formulation of the standard error of the proportion?
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B.c2 test
C.goodness of fit test
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For which statistical test does the formula given below apply? A.Z-test
B.F-test
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All of the following are software packages that can be used for data analysis EXCEPT _____.
A.Excel
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A.index numbers
B.rank orders
C.elaborated numbers
D.real numbers
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Data with which type of distribution are appropriate for division based on the median split?
A.normally distributed
B.unimodal distribution
C.bimodal distribution
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Q:
When a researcher combines the "Strongly Disagree" and "Disagree" responses on a Likert scale item to a single "Strongly Disagree/Disagree" percentage, this is an example of _____.
A.data indexing
B.collapsing the data
C.the outlier effect
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Breaking down the answer to the question: "Have you ever purchased a ticket online for an American Airlines flight?" into subgroups based on gender and zip code is an example of _____.
A.a box and whisker plot analysis
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The _____ is the number of respondents or observations used as a basis for computing percentages.
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When tabulation is done by hand to create a frequency table, this is called ______ the data.
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A.nominal; large
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C.interval; large
D.nominal; small
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A.primary and secondary errors
B.Type I and Type II errors
C.critical and noncritical errors
D.Type A and Type B errors
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A researcher is testing a hypothesis and is examining the data to determine whether or not the observed relationship between a salesperson's age and sales are significantly related. Which of the following will he use to determine the significance level of the results?
A.c
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